基于SNMPTOOL和SNMPUTIL实现SNMP管理代码

 using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
namespace snmp
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        //变量声明
        String ipStr = "";
        String oidStr = "";
        String cmdStr = "";

        private void Form1_Load(object sender, EventArgs e)
        {
            this.comboBox1.SelectedIndex = 0;
        }

        //关机命令
        private void button1_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("cmd.exe", "/c shutdown -s");
        }

        //关机命令解除
        private void button2_Click(object sender, EventArgs e)
        {
            System.Diagnostics.Process.Start("cmd.exe", "/c shutdown -a");
        }

        //实现snmp　get命令
        private void button_get_Click(object sender, EventArgs e)
        {
            //IP不能为空
            if(this.textBox_ip.Text == "")
            {
                MessageBox.Show("请先填写管理端IP地址！");
                return;
            }

            //OID不能为空
            if (this.textBox_oid.Text == "")
            {
                MessageBox.Show("请您添加所要操作的OID");
                return;
            }

            //get operation
            ipStr = this.textBox_ip.Text;
            oidStr = this.textBox_oid.Text;
            cmdStr = "snmptool.exe get  " + ipStr + " public  " + oidStr;

            Process p_get = new Process();
            p_get.StartInfo.FileName = "cmd.exe";

            // 这里是关键点,不用Shell启动/重定向输入/重定向输出/不显示窗口
            p_get.StartInfo.UseShellExecute = false;
            p_get.StartInfo.RedirectStandardInput = true;
            p_get.StartInfo.RedirectStandardOutput = true;
            p_get.StartInfo.CreateNoWindow = true;

            p_get.Start();
            // 向cmd.exe输入command
            p_get.StandardInput.WriteLine(cmdStr);
            p_get.StandardInput.WriteLine("exit");
            p_get.WaitForExit(40000);
            string s = p_get.StandardOutput.ReadToEnd();// 得到cmd.exe的输出
            MessageBox.Show(s);
            p_get.Close();

        }

        private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            //注意：默认的索引是从0开始的
            int i = this.comboBox1.SelectedIndex+1;
            switch (i)
            {
                case 1:
                    this.textBox_type.Text = "Integer";
                    break;
                case 2:
                    this.textBox_type.Text = "OctetString";
                    break;
                case 3:
                    this.textBox_type.Text = "ObjectIdentfier";
                    break;
                case 4:
                    this.textBox_type.Text = "IpAddress";
                    break;
                case 5:
                    this.textBox_type.Text = "Counter";
                    break;
                case 6:
                    this.textBox_type.Text = " Gauge";
                    break;
                case 7:
                    this.textBox_type.Text = " TimeTicks";
                    break;
                case 8:
                    this.textBox_type.Text = " Opaque";
                    break;
                default:
                    break;
            }
        }

        private void button_set_Click(object sender, EventArgs e)
        {
            ipStr = this.textBox_ip.Text;
            oidStr = this.textBox_oid.Text;
            String typeStr = this.comboBox1.Text;
            String value = this.textBox_value.Text;
            cmdStr = "snmptool.exe set  " + ipStr + " public " + oidStr + " " + typeStr + " " + value;

            //
            Process p_set = new Process();
            p_set.StartInfo.FileName = "cmd.exe";
            // 这里是关键点,不用Shell启动/重定向输入/重定向输出/不显示窗口
            p_set.StartInfo.UseShellExecute = false;
            p_set.StartInfo.RedirectStandardInput = true;
            p_set.StartInfo.RedirectStandardOutput = true;
            p_set.StartInfo.CreateNoWindow = true;

            p_set.Start();
            // 向cmd.exe输入command
            p_set.StandardInput.WriteLine(cmdStr);
            p_set.StandardInput.WriteLine("exit");
            p_set.WaitForExit(20000);
            String s = p_set.StandardOutput.ReadToEnd();
            MessageBox.Show(s);
            p_set.Close();
        }

        //v1trap 按钮事件
        private void button_v1trap_Click(object sender, EventArgs e)
        { 
           //就这一句也可以实现相应的启动功能
           System.Diagnostics.Process.Start("cmd.exe", "/c snmptool trap");

        }
    }
}